19318816

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{773}}^1$

素因数の和:865

約数の個数: 48

約数和(自身を含む): 42130368

約数和(自身を除く): 22811552

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 71, 88, 142, 176, 284, 352, 568, 773, 781, 1136, 1546, 1562, 2272, 3092, 3124, 6184, 6248, 8503, 12368, 12496, 17006, 24736, 24992, 34012, 54883, 68024, 109766, 136048, 219532, 272096, 439064, 603713, 878128, 1207426, 1756256, 2414852, 4829704, 9659408, 19318816]

約数ペア:

[(1, 19318816), (2, 9659408), (4, 4829704), (8, 2414852), (11, 1756256), (16, 1207426), (22, 878128), (32, 603713), (44, 439064), (71, 272096), (88, 219532), (142, 136048), (176, 109766), (284, 68024), (352, 54883), (568, 34012), (773, 24992), (781, 24736), (1136, 17006), (1546, 12496), (1562, 12368), (2272, 8503), (3092, 6248), (3124, 6184)]